EP0816052A2 - Appareil de soudage comportant un dispositif de chauffage pour le chauffage de bandes en matière composite thermoplastique renforcée de fibres - Google Patents

Appareil de soudage comportant un dispositif de chauffage pour le chauffage de bandes en matière composite thermoplastique renforcée de fibres Download PDF

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Publication number
EP0816052A2
EP0816052A2 EP97810387A EP97810387A EP0816052A2 EP 0816052 A2 EP0816052 A2 EP 0816052A2 EP 97810387 A EP97810387 A EP 97810387A EP 97810387 A EP97810387 A EP 97810387A EP 0816052 A2 EP0816052 A2 EP 0816052A2
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EP
European Patent Office
Prior art keywords
heating
heating device
thermoplastic
welding
thermoplastic fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP97810387A
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German (de)
English (en)
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EP0816052A3 (fr
EP0816052B1 (fr
Inventor
Bruce Dr. Johnson
Vishal Dr. Mallick
François Dr. Meynard
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ABB Research Ltd Switzerland
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ABB Research Ltd Switzerland
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Publication of EP0816052A3 publication Critical patent/EP0816052A3/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/103—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined direct heating both surfaces to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1432—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface direct heating of the surfaces to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1464—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface making use of several radiators
    • B29C65/1467—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface making use of several radiators at the same time, i.e. simultaneous welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • B29C66/81417—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled being V-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1412—Infrared [IR] radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
    • B29C66/0042—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools
    • B29C66/91423—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools using joining tools having different temperature zones or using several joining tools with different temperatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/90—Measuring or controlling the joining process
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1348—Work traversing type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1788—Work traversing type and/or means applying work to wall or static structure

Definitions

  • the invention relates to a welding device with a heating device for Heating of thermoplastic fiber composite belts after the Preamble of the first claim.
  • thermoplastic fiber composite tapes with a thermoplastic Matrix and embedded fiber materials such as carbon or glass fibers to connect with each other in a continuous process, the one another facing surfaces of the tapes at their junction point locally melted and the tapes welded together.
  • the thermal energy is focused on the point where the tapes are brought together.
  • the Feed speed and thus the welding speed is included however relatively small and can be up to 20 mm / s.
  • the time needed to eir Heating thermoplastic sliver is proportional to the square of the Thickness of the thermoplastic sliver, inversely proportional to thermal conductivity of the thermoplastic matrix and a function of Heat transfer on the surface.
  • the invention is based, with a welding device a heating device for heating thermoplastic Fiber composite strips of the type mentioned Feed speed and thus increase the welding speed.
  • the essence of the invention is therefore that at least one on the heating device extended heating element is arranged.
  • thermoplastic fiber tapes so that they can be heated quickly, resulting in high welding speeds can be achieved. This enables high productivity to be achieved.
  • the heating device is separated from at least two adjustable partial heaters, each of which has at least one Heating elements is arranged.
  • the heater By dividing the heater into Partial heaters can heat the tapes to be connected are controlled independently of each other, thereby further increasing quality the laminate and the connection is achieved. Further is through the heating device according to the invention reduces the heat consumption, which the Lowers the cost of the tapes produced.
  • Fig. 1 is a thermoplastic sliver 15 and a thermoplastic Sliver 16 unwound from rolls of bandage material, not shown.
  • the thermoplastic sliver 15 becomes a via a guide roller 12 Heater 14 promoted.
  • the thermoplastic sliver 16 is a Bottom plate 17 conveyed to the heater 14.
  • the heater 14 has a supply line 6 for supplying hot gases.
  • the thermoplastic sliver 15 and 16 on the Surfaces facing surfaces to at least the melting point of the thermoplastic matrix of the thermoplastic fiber tapes heated.
  • the sliver only over a fraction of its thickness above the melting point heated the thermoplastic matrix.
  • thermoplastic fiber tapes 15 and 16 are thereby continuously at a welding area defined by the press roll 3 welded together, resulting in a multi-layer sliver 18.
  • On the thermoplastic fiber tapes 15, 16 can have a tensile force 20, 21 and a tensile force 22 can be exerted on the resulting sliver 18.
  • the Sliver 15 and 16 can thus under a certain bias are applied to each other. Can on the resulting sliver 18 of course, other thermoplastic fiber tapes 15, 16 applied will.
  • thermoplastic fiber composite strips 15, 16 consist of a thermoplastic plastic matrix with fibers embedded therein, wherein the fiber content can be up to over 60% by volume. Any thermoplastic that meets the corresponding requirements can be used as the thermoplastic matrix, preferably aromatic plastics, in particular polyether ether ketone or polyether imide.
  • the thermoplastic fiber tapes 15 and 16 can have a different matrix and different fibers. Any fiber materials that have a correspondingly desired tensile force, preferably carbon fibers or glass fibers, can be used as fibers. E.g.
  • Table 1 shows the material properties of some selected examples thermoplastic fiber composite tapes shown.
  • the ones in the table The tapes shown consist of glass or carbon fibers and a matrix Polyphenylene sulfide (PPS), polyetherimide (PEI) or polyetheretherketone (PEEK).
  • PPS Polyphenylene sulfide
  • PEI polyetherimide
  • PEEK polyetheretherketone
  • the tapes with the designations a, b, c are manufactured by Quadrax, the Bands with the designations d, e, f from
  • the maximum use temperature of the tapes from examples a, b, c, and d is about 200 ° C, that of Examples e and f is about 240 ° C.
  • PEEK will usually processed at around 400 ° C and PPS at around 340 ° C.
  • thermoplastic sliver 15 can also on a rotationally symmetrical body 1, in particular a rotor of an electrical Machine.
  • the adjoining the rotationally symmetrical body 1 Side of the heater 14 is then formed corresponding to the body 1 so that there is thermoplastic fiber tape 15 on the body 1 can also be heated.
  • a winding head of a runner of an electrical machine can by the application of the thermoplastic fiber tape 15 bandages for holding the winding head be generated.
  • the heating device 14 consists of a partial heating device 14a and a structurally identical partial heating device 14a *, by means of which the Heater 14 pasted thermoplastic fiber tapes heated will.
  • the partial heaters 14a, 14a * are not shown Brackets connected together. The connection can be flexible be designed so that the partial heaters against each other can be moved.
  • the partial heaters 14a, 14a * are in one acute angle caused by the feeding of the thermoplastic fiber tapes is determined to each other.
  • the partial heating device 14a consists of a support element 10a and a heating element arranged thereon, a heating foil 9.
  • the heating foil can be an electrical or an infrared heating foil.
  • the heating foil 9 extends at least over the width of the thermoplastic fiber tape 15, 16.
  • a channel 7 is arranged which has a slot nozzle 5.
  • hot gas 4 is fed into the channel 7, which is conducted via the slot nozzle 5 to the surface of the thermoplastic fiber band.
  • the direction of flow of the hot gas emerging from the slot nozzle corresponds to the direction of conveyance of the thermoplastic sliver.
  • thermoplastic fiber band is thus heated by a combination of radiation heating by means of the heating foil 9 and by convection heating by means of the hot gas 4 supplied via the slot 5.
  • an air cushion is also generated over the heating foil 9, which prevents the melted thermoplastic fiber sliver from sticking to the heating foil and thus to the heating device.
  • Partial heating devices 14a, 14a * are not shown, in which the convection heating, ie the channel 7, is omitted.
  • the thermoplastic sliver is then only heated by the radiation heater by means of the heating foil 9.
  • the heating device formed from the partial heating devices 14a and 14a * enables welding speeds of up to over 300 mm / s to be achieved.
  • the partial heating devices 14a and 14a * can be regulated individually, i.e. the thermal energy given off to the thermoplastic fiber tapes can be set individually.
  • thermal energy be derived via the runner 1, for which purpose the runner assigned partial heating device is supplied more thermal energy.
  • the heating device 14 can also consist of a partial heating device 14b and a structurally identical partial heating device 14b *.
  • the Partial heaters 14b, 14b * are via brackets, not shown connected with each other. The connection can be made movable are so that the partial heaters are shifted against each other can.
  • the partial heaters 14b, 14b * are at an acute angle that is determined by the supply of the thermoplastic fiber tapes, arranged to each other
  • the partial heating device 14b consists of a support element 10b and one thereon arranged perforated plate 23.
  • the perforated plate 23 extends at least across the width of the thermoplastic sliver 15, 16 Feed line 6b is supplied with hot gas 4 via channels (not shown) the support member 10b and thus passed to the perforated plate 23.
  • a channel with a slot nozzle for convective can also be used here Heating of the thermoplastic sliver can be arranged.
  • a plurality of holes 24 are arranged in the perforated plate 23, which serve as impingement nozzles.
  • the thermoplastic sliver is thus heated by an impingement heater by means of the hot gas 4 passed through the holes 23.
  • the arrangement of the holes 24, their hole diameter 27 and the distance from the perforated plate 23 to the thermoplastic sliver is decisive for the convective heat transfer.
  • thermoplastic sliver over a width 19 of the thermoplastic sliver at least two holes 24 may be arranged should.
  • the distances between the holes 24 on the perforated plate 23 in longitudinal and in The transverse direction should be approximately between two to ten times the hole diameter 27 be.
  • the distance of the thermoplastic sliver from the perforated plate 23 should be between two to eight times the hole diameter 27.
  • the Temperature of the hot gases passed through the holes 24 between 500 and 900 ° C and the flow velocity should be between 0.1 to 30 m / s, in particular between 1 to 20 m / s.
  • the perforated plate 15 can also be heated, this can in particular take place electrically. On the one hand, this makes the thermoplastic Sliver heated over the perforated plate and on the other hand through the holes 24th conducted gases heated or at least a cooling of the through the holes conducted gases prevented.
  • the heating device formed from the partial heating devices 14b and 14b * can achieve welding speeds of up to over 300 mm / s will.
  • the heater can also by a Combination of the partial heaters 14a and 14b are formed.
  • the Feed line 6 can be replaced by several feed lines.
  • the Geometry of the partial heating devices 14a, 14b or the heating elements 9, 23 are each based on the geometry of the element 1, 17 on the Fibers are applied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Laminated Bodies (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP19970810387 1996-07-03 1997-06-18 Appareil de soudage comportant un dispositif de chauffage pour le chauffage de bandes en matière composite thermoplastique renforcée de fibres Expired - Lifetime EP0816052B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996126662 DE19626662A1 (de) 1996-07-03 1996-07-03 Verschweißvorrichtung mit einer Heizvorrichtung zur Erwärmung von thermoplastischen Faserverbundwerkstoffbändern
DE19626662 1996-07-03

Publications (3)

Publication Number Publication Date
EP0816052A2 true EP0816052A2 (fr) 1998-01-07
EP0816052A3 EP0816052A3 (fr) 1998-01-28
EP0816052B1 EP0816052B1 (fr) 2001-07-25

Family

ID=7798744

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970810387 Expired - Lifetime EP0816052B1 (fr) 1996-07-03 1997-06-18 Appareil de soudage comportant un dispositif de chauffage pour le chauffage de bandes en matière composite thermoplastique renforcée de fibres

Country Status (5)

Country Link
US (1) US5916413A (fr)
EP (1) EP0816052B1 (fr)
JP (1) JPH1058542A (fr)
AT (1) ATE203452T1 (fr)
DE (2) DE19626662A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0955151A1 (fr) * 1998-04-27 1999-11-10 Tetra Laval Holdings & Finance SA Dispositif pour le soudage d'une bande adhésive sur une feuille d'emballage pour produits alimentaires à l'état liquide
FR2804060A1 (fr) * 2000-01-21 2001-07-27 Materiel Barrois Emballages Mb Procede et moyens pour assembler deux feuilles de matiere plastique

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DE19919211A1 (de) * 1999-04-28 2000-11-09 Zimmermann Jos Gmbh & Co Kg Verfahren zur Bildung eines Trägerkörpers, insbesondere einer Garnhülse
JP2007045430A (ja) * 2005-08-08 2007-02-22 Green Best:Kk 溶着方法、溶着装置及び果実用緩衝材
EP2516157B1 (fr) * 2009-12-22 2018-10-17 3M Innovative Properties Company Appareil et procédés de précipitation de fluides sur des substrats
US9126224B2 (en) * 2011-02-17 2015-09-08 3M Innovative Properties Company Apparatus and methods for impinging fluids on substrates
US8956496B2 (en) * 2011-06-14 2015-02-17 3M Innovative Properties Company Apparatus and methods for impinging a fluid on a substrate
USD719596S1 (en) 2012-12-20 2014-12-16 Sfs Intec Holding Ag Induction apparatus
JP2025512575A (ja) * 2022-04-25 2025-04-17 テトラ ラバル ホールディングス アンド ファイナンス エス エイ パッケージの製造方法、装置及び部品キット

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0955151A1 (fr) * 1998-04-27 1999-11-10 Tetra Laval Holdings & Finance SA Dispositif pour le soudage d'une bande adhésive sur une feuille d'emballage pour produits alimentaires à l'état liquide
FR2804060A1 (fr) * 2000-01-21 2001-07-27 Materiel Barrois Emballages Mb Procede et moyens pour assembler deux feuilles de matiere plastique

Also Published As

Publication number Publication date
EP0816052A3 (fr) 1998-01-28
US5916413A (en) 1999-06-29
EP0816052B1 (fr) 2001-07-25
DE59704109D1 (de) 2001-08-30
DE19626662A1 (de) 1998-01-08
JPH1058542A (ja) 1998-03-03
ATE203452T1 (de) 2001-08-15

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